Products
HD Electric CDM-50 Cable Distance Meter is a modern alternative to telescopic measuring poles. The Cable Distance Meter utilizes ultrasonic signals to determine the height of overhead cables up to 75 feet(23m). Used by line operators within the utility industries such as electricity and telecommunications,the Cable Distance Meter measures up to 6 wires.
Operation
The Cable Distance Meter is capable of measuring up to six cables(provided they are within range). This is accomplished by standing directly beneath the cable and aligning longitudinally (looking down the line). Simply press the“ON”button to power up the instrument and allow the temperature to stabilize. Press and hold the“MEASURE”button and, if necessary, gently rock and tilt the instrument until a stable reading is obtained.
How it Works
The Cable Distance Meter emits short bursts of sound which originate from the cone-shaped transmitter.The microprocessor in the instrument calculates the elapsed time for the bursts of sound to be reflected from the cable back to the instrument. The result can be displayed in either feet and inches(imperial) or meters(metric) format.To account for the fact that speed of sound varies with temperature, a temperature sensor mounted at the front of the instrument senses the actual air temperature and automatically compensates.
Features and Benefits
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OSHA Regulations - verify OSHA regulations are met
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Quick Measurement-saves time and money
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Inherently Safe - no physical connection to cables or wires required to obtain measurement
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Extremely Accurate - measures to accuracy of 0.5%
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Ease-Of-Use -simple, three button operation ensures fast, effective measurements with a minimum of operator training
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Compact Size - its lightweight and handheld portability allows easy transport and multiple measurements
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Maintenance-Free - proven reliability in the field, no adjustments required
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Low Battery Indicator- indicates when to change battery
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Warranty - 1 year Applications Applications include height measurement of:
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Telephone lines
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Distribution lines
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Transmission lines
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Cable television lines
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Street lighting
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Sag (lowest point to ground)
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Clearances on construction sites
The unit also provides a safer way to measure cable heights on highly congested roadways. Switching to“Calibrate - Wall”mode allows the instrument to be used indoors. This mode also offers an easy way to check whether the device has remained in calibration since its purchase date.
HD Electric CDM-50 电缆测距仪可测量多达 6 根电线 50' 范围
HD Electric CDM-50 电缆测距仪是伸缩式测量杆的现代替代品。电缆测距仪利用超声波信号确定高达 75 英尺 (23m) 的架空电缆的高度。由电力和电信等公用事业行业的线路运营商使用，电缆测距仪可测量多达 6 条电线。
手术
电缆测距仪最多可测量 6 根电缆（前提是它们在范围内）。这是通过直接站在电缆下方并纵向对齐（向下看线）来实现的。只需按下“ON”按钮即可启动仪器并使温度稳定。按住“MEASURE”按钮，如有必要，轻轻摇动和倾斜仪器，直到获得稳定的读数。
这个怎么运作
电缆测距仪从锥形发射器发出短促的声波。仪器中的微处理器计算声波从电缆反射回仪器所经过的时间。结果可以以英尺和英寸（英制）或米（公制）格式显示。为了说明声速随温度变化的事实，安装在仪器前面的温度传感器可感应实际空气温度并自动补偿。
特点和优势
OSHA 法规 - 验证是否符合 OSHA 法规
快速测量——节省时间和金钱
本质安全 - 无需物理连接电缆或电线即可获得测量结果
极其准确 - 测量精度为 0.5%
易于使用 - 简单的三按钮操作确保快速、有效的测量，操作员培训最少
紧凑的尺寸 - 其轻巧的手持便携性允许轻松运输和多次测量
免维护 - 经现场验证的可靠性，无需调整
低电量指示器 - 指示何时更换电池
保修 - 1 年应用 应用包括高度测量：
电话线
配电线路
传输线
有线电视线路
街道照明
下垂（对地的最低点）
建筑工地清关
该装置还提供了一种更安全的方法来测量高度拥挤的道路上的电缆高度。切换到“校准 - 墙壁”模式允许仪器在室内使用。此模式还提供了一种简单的方法来检查设备自购买之日起是否一直处于校准状态。
